A high-density polyethylene with UV-stabilized resin tank with a mechanically vented fuel cap. A positive seal is provided with the injection molded 2-1/4\" fill neck. Features a 90°, 1/4\" NPT fuel withdrawal elbow (does not rotate) and it includes a mechanical direct-sight gauge with easy-to-read indicator tested to industry standards. The tank is specifcally designed for use in Boston Whalers, Carolina Skiff and Key West bench style, center console, pontoon, deck and jon boat designs.